noun
all seats; every seat
Refers to every seat in a venue, vehicle, or similar setting. Often used in contexts like 全席指定 (all seats reserved) or 全席禁煙 (all seats non-smoking).
この劇場は全席指定です。
All seats in this theater are reserved.
新幹線は全席禁煙になった。
All seats on the Shinkansen became non-smoking.